Sheets of San Marino, 2013 all added
| Issuer | Date | Desc | State | ||
| - |  |
San Marino | 2/13/2013 | Nordic Ski World Championships 2013, sheet of 3 types | all added |
| - |  |
San Marino | 6/7/2013 | 550th Anniversary of Borders determination, sheet of 4 types | all added |
| - |  |
San Marino | 6/7/2013 | Church of San Giovanni Battista, patron of the Sovereign Military Order of Malta, sheet of 2 types | all added |
| - |  |
San Marino | 10/9/2013 | UNESCO World Heritage - Travel in Italy 01, sheet of 4 types | all added |
| - |  |
San Marino | 10/9/2013 | Christmas 2013, sheet of 3 types | all added |